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About Gareth


+21 years experience

Gareth Sims
Gareth Sims is research director of Ovum's Forecasting and Data Analysis team, specializing in developing quantitative models to analyze the telecoms, media, and technology sectors.

Gareth joined as Ovum's first dedicated forecaster and has more than 17 years' industry experience. His research focus has included digital traffic forecasting across devices and networks.

His areas of expertise include TMT market sizing, network traffic forecasting, and developing business planning and ROI tools. Gareth also examines forecasting techniques, statistical and financial analysis, business modeling, management accounting, and pricing analysis.

His data and forecasts help Ovum customers quantify market opportunities through the development of forecasts and business planning tools.